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Finding the Fourth Proportional to 29,484.39, 40,687.88 and 16,055.81

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Solution

The fourth proportional to 29,484.39, 40,687.88 and 16,055.81 is: 22,156.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,484.39 : 40,687.88 = 16,055.81 : x
  2. Step 2: Convert to fraction form
    29,484.39/40,687.88 = 16,055.81/x
  3. Step 3: Cross multiply
    29,484.39x = 40,687.88 × 16,055.81
  4. Step 4: Simplify right side
    29,484.39x = 653,276,586.86
  5. Step 5: Solve for x
    x = 653,276,586.86/29,484.39
  6. Step 6: Final answer
    x = 22,156.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.